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LibWeb: Implement CSS validity pseudo-classes

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Psychpsyo 2025-02-02 20:41:23 +01:00 • committed by Sam Atkins
parent 39e17e83f9
commit bad7324307
Notes: github-actions[bot] 2025-02-05 12:52:56 +00:00
15 changed files with 745 additions and 29 deletions
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17
Libraries/LibWeb/HTML/Focus.cpp
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@ -40,6 +40,8 @@ static void fire_a_focus_event(GC::Ptr<DOM::EventTarget> focus_event_target, GC:
// https://html.spec.whatwg.org/multipage/interaction.html#focus-update-steps
static void run_focus_update_steps(Vector<GC::Root<DOM::Node>> old_chain, Vector<GC::Root<DOM::Node>> new_chain, DOM::Node* new_focus_target)
{
// The focus update steps, given an old chain, a new chain, and a new focus target respectively, are as follows:
// 1. If the last entry in old chain and the last entry in new chain are the same,
// pop the last entry from old chain and the last entry from new chain and redo this step.
while (!old_chain.is_empty()
@ -51,18 +53,21 @@ static void run_focus_update_steps(Vector<GC::Root<DOM::Node>> old_chain, Vector
// 2. For each entry entry in old chain, in order, run these substeps:
for (auto& entry : old_chain) {
// 1. If entry is an input element, and the change event applies to the element, and the element does not have
// a defined activation behavior, and the user has changed the element's value or its list of selected files
// while the control was focused without committing that change (such that it is different to what it was
// when the control was first focused), then fire an event named change at the element, with the bubbles
// attribute initialized to true.
// 1. If entry is an input element
if (is<HTMLInputElement>(*entry)) {
auto& input_element = static_cast<HTMLInputElement&>(*entry);
// FIXME: Spec issue: It doesn't make sense to check if the element has a defined activation behavior, as
// that is always true. Instead, we check if it has an *input* activation behavior.
// https://github.com/whatwg/html/issues/9973
if (input_element.change_event_applies() && !input_element.has_input_activation_behavior()) {
// and the change event applies to the element, and the element does not have a defined activation behavior, and the user has changed the
// element's value or its list of selected files while the control was focused without committing that change (such that it is different to what it was when the control was first
// focused), then:
if (input_element.change_event_applies() && !input_element.has_input_activation_behavior() && input_element.has_uncommitted_changes()) {
// 1. Set entry's user validity to true.
input_element.set_user_validity(true);
// 2. Fire an event named change at the element, with the bubbles attribute initialized to true.
input_element.commit_pending_changes();
}
}